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Optical constants of LiBr (Lithium bromide)
Li 1976: n 0.21-20 µm

Wavelength: µm
 (0.21 – 20)  
 

Other optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=1.88+\frac{0.28λ^2}{λ^2-0.164^2}+\frac{10.07λ^2}{λ^2-57.80^2}$$

Comments

297 K (24 °C).

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

References

H. H. Li. Refractive index of alkali halides and its wavelength and temperature derivatives. J. Phys. Chem. Ref. Data 5, 329-528 (1976) and references therein.
* Sellmeier formula derivation is based on a single data point and knowledge of the dielectric constants and the characteristic absorption peaks.

More info - wiki

Lithium bromide, LiBr